cabochon
n. 依天然形状磨圆的宝石
adj. 凸圆形的
adv. 凸圆形地
复数 cabochons
例句
The crown is decorated with a stunning black onyx cabochon.
表冠以一颗华丽的凸圆形黑缟玛瑙装饰。
表把顶部以一颗漂亮的圆顶形黑色缟玛瑙石装饰。
Since jade is, as a rule, not transparent, but has a fine lustre, the cabochon is the form best suited to it.
不是透明的宝石，但却具有极佳的光泽，所以极适合被切磨成光滑的半圆弧面型。
